People often use the words "Internet" and "Web" interchangeably, but this usage is technically incorrect.
The Web is an application of the Internet. The Web is the most popular way of accessing the Internet, but other applications of the Internet are e-mail and ftp for example. One analogy equates the Internet to a road network where the Web is a car, the email is a bicycle, etc. Read this article for more details about the difference between Internet and the Web.
Check also this reminder ;)
The W3C community is passionate about creating free and open Web standards. The next video, created in partnership with Microsoft, explains why standards are important to maintain a royalty-free, Open Web Platform, as well as to help shape the Web of the future.